1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2010-2015 Lennart Poettering
14 int reset_all_signal_handlers(void);
15 int reset_signal_mask(void);
17 int ignore_signals(int sig, ...);
18 int default_signals(int sig, ...);
19 #if 0 /// UNNEEDED by elogind
20 int sigaction_many(const struct sigaction *sa, ...);
23 int sigset_add_many(sigset_t *ss, ...);
24 int sigprocmask_many(int how, sigset_t *old, ...);
26 const char *signal_to_string(int i) _const_;
27 int signal_from_string(const char *s) _pure_;
29 #if 0 /// UNNEEDED by elogind
30 void nop_signal_handler(int sig);
33 static inline void block_signals_reset(sigset_t *ss) {
34 assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
37 #define BLOCK_SIGNALS(...) \
38 _cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({ \
40 assert_se(sigprocmask_many(SIG_BLOCK, &_t, __VA_ARGS__, -1) >= 0); \
44 static inline bool SIGNAL_VALID(int signo) {
45 return signo > 0 && signo < _NSIG;
48 static inline const char* signal_to_string_with_check(int n) {
52 return signal_to_string(n);